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<li class="navelem"><a class="el" href="dir_59425e443f801f1f2fd8bbe4959a3ccf.html">tests</a></li><li class="navelem"><a class="el" href="dir_3291c6cb888298ddcba2a410413770df.html">gtest</a></li><li class="navelem"><a class="el" href="dir_6378bf002bea3391ce0fc080bcece282.html">samples</a></li>  </ul>
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<div class="title">sample3-inl.h</div>  </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="comment">// Copyright 2005, Google Inc.</span></div>
<div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="comment">// All rights reserved.</span></div>
<div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="comment">// Redistribution and use in source and binary forms, with or without</span></div>
<div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="comment">// modification, are permitted provided that the following conditions are</span></div>
<div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="comment">// met:</span></div>
<div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="comment">//     * Redistributions of source code must retain the above copyright</span></div>
<div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;<span class="comment">// notice, this list of conditions and the following disclaimer.</span></div>
<div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<span class="comment">//     * Redistributions in binary form must reproduce the above</span></div>
<div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="comment">// copyright notice, this list of conditions and the following disclaimer</span></div>
<div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;<span class="comment">// in the documentation and/or other materials provided with the</span></div>
<div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;<span class="comment">// distribution.</span></div>
<div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;<span class="comment">//     * Neither the name of Google Inc. nor the names of its</span></div>
<div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;<span class="comment">// contributors may be used to endorse or promote products derived from</span></div>
<div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;<span class="comment">// this software without specific prior written permission.</span></div>
<div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;<span class="comment">// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS</span></div>
<div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;<span class="comment">// &quot;AS IS&quot; AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT</span></div>
<div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;<span class="comment">// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR</span></div>
<div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;<span class="comment">// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT</span></div>
<div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;<span class="comment">// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,</span></div>
<div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;<span class="comment">// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT</span></div>
<div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;<span class="comment">// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,</span></div>
<div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;<span class="comment">// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY</span></div>
<div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;<span class="comment">// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT</span></div>
<div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;<span class="comment">// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE</span></div>
<div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;<span class="comment">// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.</span></div>
<div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;</div>
<div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;<span class="comment">// A sample program demonstrating using Google C++ testing framework.</span></div>
<div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;<span class="comment">// Author: wan@google.com (Zhanyong Wan)</span></div>
<div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;</div>
<div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;<span class="preprocessor">#ifndef GTEST_SAMPLES_SAMPLE3_INL_H_</span></div>
<div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define GTEST_SAMPLES_SAMPLE3_INL_H_</span></div>
<div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;<span class="preprocessor">#include &lt;stddef.h&gt;</span></div>
<div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;</div>
<div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;</div>
<div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;<span class="comment">// Queue is a simple queue implemented as a singled-linked list.</span></div>
<div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;<span class="comment">// The element type must support copy constructor.</span></div>
<div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> E&gt;  <span class="comment">// E is the element type</span></div>
<div class="line"><a name="l00044"></a><span class="lineno"><a class="line" href="classQueue.html">   44</a></span>&#160;<span class="keyword">class </span><a class="code" href="classQueue.html">Queue</a>;</div>
<div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;</div>
<div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;<span class="comment">// QueueNode is a node in a Queue, which consists of an element of</span></div>
<div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;<span class="comment">// type E and a pointer to the next node.</span></div>
<div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> E&gt;  <span class="comment">// E is the element type</span></div>
<div class="line"><a name="l00049"></a><span class="lineno"><a class="line" href="classQueueNode.html">   49</a></span>&#160;<span class="keyword">class </span><a class="code" href="classQueueNode.html">QueueNode</a> {</div>
<div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;  <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="classQueue.html">Queue</a>&lt;E&gt;;</div>
<div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;</div>
<div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160; <span class="keyword">public</span>:</div>
<div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;  <span class="comment">// Gets the element in this node.</span></div>
<div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;  <span class="keyword">const</span> E&amp; element()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> element_; }</div>
<div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;</div>
<div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;  <span class="comment">// Gets the next node in the queue.</span></div>
<div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;  <a class="code" href="classQueueNode.html">QueueNode</a>* next() { <span class="keywordflow">return</span> next_; }</div>
<div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;  <span class="keyword">const</span> <a class="code" href="classQueueNode.html">QueueNode</a>* next()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> next_; }</div>
<div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;</div>
<div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160; <span class="keyword">private</span>:</div>
<div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;  <span class="comment">// Creates a node with a given element value.  The next pointer is</span></div>
<div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;  <span class="comment">// set to NULL.</span></div>
<div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;  <span class="keyword">explicit</span> <a class="code" href="classQueueNode.html">QueueNode</a>(<span class="keyword">const</span> E&amp; an_element) : element_(an_element), next_(NULL) {}</div>
<div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;</div>
<div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;  <span class="comment">// We disable the default assignment operator and copy c&#39;tor.</span></div>
<div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;  <span class="keyword">const</span> <a class="code" href="classQueueNode.html">QueueNode</a>&amp; operator = (<span class="keyword">const</span> <a class="code" href="classQueueNode.html">QueueNode</a>&amp;);</div>
<div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;  <a class="code" href="classQueueNode.html">QueueNode</a>(<span class="keyword">const</span> <a class="code" href="classQueueNode.html">QueueNode</a>&amp;);</div>
<div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;</div>
<div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;  E element_;</div>
<div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;  <a class="code" href="classQueueNode.html">QueueNode</a>* next_;</div>
<div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;};</div>
<div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;</div>
<div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> E&gt;  <span class="comment">// E is the element type.</span></div>
<div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;<span class="keyword">class </span><a class="code" href="classQueue.html">Queue</a> {</div>
<div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160; <span class="keyword">public</span>:</div>
<div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;  <span class="comment">// Creates an empty queue.</span></div>
<div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;  <a class="code" href="classQueue.html">Queue</a>() : head_(NULL), last_(NULL), size_(0) {}</div>
<div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;</div>
<div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;  <span class="comment">// D&#39;tor.  Clears the queue.</span></div>
<div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;  ~<a class="code" href="classQueue.html">Queue</a>() { Clear(); }</div>
<div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;</div>
<div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;  <span class="comment">// Clears the queue.</span></div>
<div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;  <span class="keywordtype">void</span> Clear() {</div>
<div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;    <span class="keywordflow">if</span> (size_ &gt; 0) {</div>
<div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;      <span class="comment">// 1. Deletes every node.</span></div>
<div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160;      <a class="code" href="classQueueNode.html">QueueNode&lt;E&gt;</a>* node = head_;</div>
<div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;      <a class="code" href="classQueueNode.html">QueueNode&lt;E&gt;</a>* next = node-&gt;next();</div>
<div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160;      <span class="keywordflow">for</span> (; ;) {</div>
<div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;        <span class="keyword">delete</span> node;</div>
<div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;        node = next;</div>
<div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;        <span class="keywordflow">if</span> (node == NULL) <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;        next = node-&gt;next();</div>
<div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;      }</div>
<div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160;</div>
<div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160;      <span class="comment">// 2. Resets the member variables.</span></div>
<div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;      head_ = last_ = NULL;</div>
<div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160;      size_ = 0;</div>
<div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;    }</div>
<div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;  }</div>
<div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160;</div>
<div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;  <span class="comment">// Gets the number of elements.</span></div>
<div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;  <span class="keywordtype">size_t</span> Size()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> size_; }</div>
<div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160;</div>
<div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;  <span class="comment">// Gets the first element of the queue, or NULL if the queue is empty.</span></div>
<div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160;  <a class="code" href="classQueueNode.html">QueueNode&lt;E&gt;</a>* Head() { <span class="keywordflow">return</span> head_; }</div>
<div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160;  <span class="keyword">const</span> <a class="code" href="classQueueNode.html">QueueNode&lt;E&gt;</a>* Head()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> head_; }</div>
<div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160;</div>
<div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160;  <span class="comment">// Gets the last element of the queue, or NULL if the queue is empty.</span></div>
<div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160;  <a class="code" href="classQueueNode.html">QueueNode&lt;E&gt;</a>* Last() { <span class="keywordflow">return</span> last_; }</div>
<div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;  <span class="keyword">const</span> <a class="code" href="classQueueNode.html">QueueNode&lt;E&gt;</a>* Last()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> last_; }</div>
<div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160;</div>
<div class="line"><a name="l00112"></a><span class="lineno">  112</span>&#160;  <span class="comment">// Adds an element to the end of the queue.  A copy of the element is</span></div>
<div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160;  <span class="comment">// created using the copy constructor, and then stored in the queue.</span></div>
<div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160;  <span class="comment">// Changes made to the element in the queue doesn&#39;t affect the source</span></div>
<div class="line"><a name="l00115"></a><span class="lineno">  115</span>&#160;  <span class="comment">// object, and vice versa.</span></div>
<div class="line"><a name="l00116"></a><span class="lineno">  116</span>&#160;  <span class="keywordtype">void</span> Enqueue(<span class="keyword">const</span> E&amp; element) {</div>
<div class="line"><a name="l00117"></a><span class="lineno">  117</span>&#160;    <a class="code" href="classQueueNode.html">QueueNode&lt;E&gt;</a>* new_node = <span class="keyword">new</span> <a class="code" href="classQueueNode.html">QueueNode&lt;E&gt;</a>(element);</div>
<div class="line"><a name="l00118"></a><span class="lineno">  118</span>&#160;</div>
<div class="line"><a name="l00119"></a><span class="lineno">  119</span>&#160;    <span class="keywordflow">if</span> (size_ == 0) {</div>
<div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160;      head_ = last_ = new_node;</div>
<div class="line"><a name="l00121"></a><span class="lineno">  121</span>&#160;      size_ = 1;</div>
<div class="line"><a name="l00122"></a><span class="lineno">  122</span>&#160;    } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00123"></a><span class="lineno">  123</span>&#160;      last_-&gt;next_ = new_node;</div>
<div class="line"><a name="l00124"></a><span class="lineno">  124</span>&#160;      last_ = new_node;</div>
<div class="line"><a name="l00125"></a><span class="lineno">  125</span>&#160;      size_++;</div>
<div class="line"><a name="l00126"></a><span class="lineno">  126</span>&#160;    }</div>
<div class="line"><a name="l00127"></a><span class="lineno">  127</span>&#160;  }</div>
<div class="line"><a name="l00128"></a><span class="lineno">  128</span>&#160;</div>
<div class="line"><a name="l00129"></a><span class="lineno">  129</span>&#160;  <span class="comment">// Removes the head of the queue and returns it.  Returns NULL if</span></div>
<div class="line"><a name="l00130"></a><span class="lineno">  130</span>&#160;  <span class="comment">// the queue is empty.</span></div>
<div class="line"><a name="l00131"></a><span class="lineno">  131</span>&#160;  E* Dequeue() {</div>
<div class="line"><a name="l00132"></a><span class="lineno">  132</span>&#160;    <span class="keywordflow">if</span> (size_ == 0) {</div>
<div class="line"><a name="l00133"></a><span class="lineno">  133</span>&#160;      <span class="keywordflow">return</span> NULL;</div>
<div class="line"><a name="l00134"></a><span class="lineno">  134</span>&#160;    }</div>
<div class="line"><a name="l00135"></a><span class="lineno">  135</span>&#160;</div>
<div class="line"><a name="l00136"></a><span class="lineno">  136</span>&#160;    <span class="keyword">const</span> <a class="code" href="classQueueNode.html">QueueNode&lt;E&gt;</a>* <span class="keyword">const</span> old_head = head_;</div>
<div class="line"><a name="l00137"></a><span class="lineno">  137</span>&#160;    head_ = head_-&gt;next_;</div>
<div class="line"><a name="l00138"></a><span class="lineno">  138</span>&#160;    size_--;</div>
<div class="line"><a name="l00139"></a><span class="lineno">  139</span>&#160;    <span class="keywordflow">if</span> (size_ == 0) {</div>
<div class="line"><a name="l00140"></a><span class="lineno">  140</span>&#160;      last_ = NULL;</div>
<div class="line"><a name="l00141"></a><span class="lineno">  141</span>&#160;    }</div>
<div class="line"><a name="l00142"></a><span class="lineno">  142</span>&#160;</div>
<div class="line"><a name="l00143"></a><span class="lineno">  143</span>&#160;    E* element = <span class="keyword">new</span> E(old_head-&gt;element());</div>
<div class="line"><a name="l00144"></a><span class="lineno">  144</span>&#160;    <span class="keyword">delete</span> old_head;</div>
<div class="line"><a name="l00145"></a><span class="lineno">  145</span>&#160;</div>
<div class="line"><a name="l00146"></a><span class="lineno">  146</span>&#160;    <span class="keywordflow">return</span> element;</div>
<div class="line"><a name="l00147"></a><span class="lineno">  147</span>&#160;  }</div>
<div class="line"><a name="l00148"></a><span class="lineno">  148</span>&#160;</div>
<div class="line"><a name="l00149"></a><span class="lineno">  149</span>&#160;  <span class="comment">// Applies a function/functor on each element of the queue, and</span></div>
<div class="line"><a name="l00150"></a><span class="lineno">  150</span>&#160;  <span class="comment">// returns the result in a new queue.  The original queue is not</span></div>
<div class="line"><a name="l00151"></a><span class="lineno">  151</span>&#160;  <span class="comment">// affected.</span></div>
<div class="line"><a name="l00152"></a><span class="lineno">  152</span>&#160;  <span class="keyword">template</span> &lt;<span class="keyword">typename</span> F&gt;</div>
<div class="line"><a name="l00153"></a><span class="lineno">  153</span>&#160;  <a class="code" href="classQueue.html">Queue</a>* Map(F <span class="keyword">function</span>)<span class="keyword"> const </span>{</div>
<div class="line"><a name="l00154"></a><span class="lineno">  154</span>&#160;    <a class="code" href="classQueue.html">Queue</a>* new_queue = <span class="keyword">new</span> <a class="code" href="classQueue.html">Queue</a>();</div>
<div class="line"><a name="l00155"></a><span class="lineno">  155</span>&#160;    <span class="keywordflow">for</span> (<span class="keyword">const</span> <a class="code" href="classQueueNode.html">QueueNode&lt;E&gt;</a>* node = head_; node != NULL; node = node-&gt;next_) {</div>
<div class="line"><a name="l00156"></a><span class="lineno">  156</span>&#160;      new_queue-&gt;Enqueue(<span class="keyword">function</span>(node-&gt;element()));</div>
<div class="line"><a name="l00157"></a><span class="lineno">  157</span>&#160;    }</div>
<div class="line"><a name="l00158"></a><span class="lineno">  158</span>&#160;</div>
<div class="line"><a name="l00159"></a><span class="lineno">  159</span>&#160;    <span class="keywordflow">return</span> new_queue;</div>
<div class="line"><a name="l00160"></a><span class="lineno">  160</span>&#160;  }</div>
<div class="line"><a name="l00161"></a><span class="lineno">  161</span>&#160;</div>
<div class="line"><a name="l00162"></a><span class="lineno">  162</span>&#160; <span class="keyword">private</span>:</div>
<div class="line"><a name="l00163"></a><span class="lineno">  163</span>&#160;  <a class="code" href="classQueueNode.html">QueueNode&lt;E&gt;</a>* head_;  <span class="comment">// The first node of the queue.</span></div>
<div class="line"><a name="l00164"></a><span class="lineno">  164</span>&#160;  <a class="code" href="classQueueNode.html">QueueNode&lt;E&gt;</a>* last_;  <span class="comment">// The last node of the queue.</span></div>
<div class="line"><a name="l00165"></a><span class="lineno">  165</span>&#160;  <span class="keywordtype">size_t</span> size_;  <span class="comment">// The number of elements in the queue.</span></div>
<div class="line"><a name="l00166"></a><span class="lineno">  166</span>&#160;</div>
<div class="line"><a name="l00167"></a><span class="lineno">  167</span>&#160;  <span class="comment">// We disallow copying a queue.</span></div>
<div class="line"><a name="l00168"></a><span class="lineno">  168</span>&#160;  <a class="code" href="classQueue.html">Queue</a>(<span class="keyword">const</span> <a class="code" href="classQueue.html">Queue</a>&amp;);</div>
<div class="line"><a name="l00169"></a><span class="lineno">  169</span>&#160;  <span class="keyword">const</span> <a class="code" href="classQueue.html">Queue</a>&amp; operator = (<span class="keyword">const</span> <a class="code" href="classQueue.html">Queue</a>&amp;);</div>
<div class="line"><a name="l00170"></a><span class="lineno">  170</span>&#160;};</div>
<div class="line"><a name="l00171"></a><span class="lineno">  171</span>&#160;</div>
<div class="line"><a name="l00172"></a><span class="lineno">  172</span>&#160;<span class="preprocessor">#endif  // GTEST_SAMPLES_SAMPLE3_INL_H_</span></div>
<div class="ttc" id="classQueue_html"><div class="ttname"><a href="classQueue.html">Queue</a></div><div class="ttdef"><b>Definition:</b> <a href="sample3-inl_8h_source.html#l00044">sample3-inl.h:44</a></div></div>
<div class="ttc" id="classQueueNode_html"><div class="ttname"><a href="classQueueNode.html">QueueNode</a></div><div class="ttdef"><b>Definition:</b> <a href="sample3-inl_8h_source.html#l00049">sample3-inl.h:49</a></div></div>
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